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Issue 387353003: Modify data_reduction_proxy_header to support tamper detection logic. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@work
Patch Set: Created 6 years, 4 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "components/data_reduction_proxy/common/data_reduction_proxy_headers.h" 5 #include "components/data_reduction_proxy/common/data_reduction_proxy_headers.h"
6 6
7 #include "net/http/http_response_headers.h" 7 #include "net/http/http_response_headers.h"
8 #include "net/proxy/proxy_service.h" 8 #include "net/proxy/proxy_service.h"
9 #include "testing/gtest/include/gtest/gtest.h" 9 #include "testing/gtest/include/gtest/gtest.h"
10 10
11 namespace { 11 namespace {
12 12
13 // Transform "normal"-looking headers (\n-separated) to the appropriate 13 // Transform "normal"-looking headers (\n-separated) to the appropriate
14 // input format for ParseRawHeaders (\0-separated). 14 // input format for ParseRawHeaders (\0-separated).
15 void HeadersToRaw(std::string* headers) { 15 void HeadersToRaw(std::string* headers) {
16 std::replace(headers->begin(), headers->end(), '\n', '\0'); 16 std::replace(headers->begin(), headers->end(), '\n', '\0');
17 if (!headers->empty()) 17 if (!headers->empty())
18 *headers += '\0'; 18 *headers += '\0';
19 } 19 }
20 20
21 } // namespace 21 } // namespace
22 22
23 namespace data_reduction_proxy { 23 namespace data_reduction_proxy {
24 24
25 class DataReductionProxyHeadersTest : public testing::Test {}; 25 class DataReductionProxyHeadersTest : public testing::Test {};
26 26
27 TEST_F(DataReductionProxyHeadersTest, GetDataReductionProxyActionValue) {
28 const struct {
29 const char* headers;
30 std::string action_key;
31 bool expected_result;
32 std::string expected_action_value;
33 } tests[] = {
34 { "HTTP/1.1 200 OK\n"
35 "Content-Length: 999\n",
36 "a",
37 false,
38 "",
39 },
40 { "HTTP/1.1 200 OK\n"
41 "connection: keep-alive\n"
42 "Content-Length: 999\n",
43 "a",
44 false,
45 "",
46 },
47 { "HTTP/1.1 200 OK\n"
48 "connection: keep-alive\n"
49 "Chrome-Proxy: bypass=86400\n"
50 "Content-Length: 999\n",
51 "bypass",
52 true,
53 "86400",
54 },
55 { "HTTP/1.1 200 OK\n"
56 "connection: keep-alive\n"
57 "Chrome-Proxy: bypass86400\n"
58 "Content-Length: 999\n",
59 "bypass",
60 false,
61 "",
62 },
63 { "HTTP/1.1 200 OK\n"
64 "connection: keep-alive\n"
65 "Chrome-Proxy: bypass=0\n"
66 "Content-Length: 999\n",
67 "bypass",
68 true,
69 "0",
70 },
71 { "HTTP/1.1 200 OK\n"
72 "connection: keep-alive\n"
73 "Chrome-Proxy: bypass=1500\n"
74 "Chrome-Proxy: bypass=86400\n"
75 "Content-Length: 999\n",
76 "bypass",
77 true,
78 "1500",
79 },
80 { "HTTP/1.1 200 OK\n"
81 "connection: keep-alive\n"
82 "Chrome-Proxy: block=1500, block=3600\n"
83 "Content-Length: 999\n",
84 "block",
85 true,
86 "1500",
87 },
88 { "HTTP/1.1 200 OK\n"
89 "connection: proxy-bypass\n"
90 "Chrome-Proxy: key=123 \n"
91 "Content-Length: 999\n",
92 "key",
93 true,
94 "123",
95 },
96 };
97 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
98 std::string headers(tests[i].headers);
99 HeadersToRaw(&headers);
100 scoped_refptr<net::HttpResponseHeaders> parsed(
101 new net::HttpResponseHeaders(headers));
102
103 std::string action_value;
104 bool has_action_key = GetDataReductionProxyActionValue(
105 parsed, tests[i].action_key, &action_value);
106 EXPECT_EQ(tests[i].expected_result, has_action_key);
107 if (has_action_key) {
108 EXPECT_EQ(tests[i].expected_action_value, action_value);
109 }
110 }
111 }
112
27 TEST_F(DataReductionProxyHeadersTest, GetProxyBypassInfo) { 113 TEST_F(DataReductionProxyHeadersTest, GetProxyBypassInfo) {
28 const struct { 114 const struct {
29 const char* headers; 115 const char* headers;
30 bool expected_result; 116 bool expected_result;
31 int64 expected_retry_delay; 117 int64 expected_retry_delay;
32 bool expected_bypass_all; 118 bool expected_bypass_all;
33 } tests[] = { 119 } tests[] = {
34 { "HTTP/1.1 200 OK\n" 120 { "HTTP/1.1 200 OK\n"
35 "Content-Length: 999\n", 121 "Content-Length: 999\n",
36 false, 122 false,
(...skipping 158 matching lines...) Expand 10 before | Expand all | Expand 10 after
195 281
196 DataReductionProxyInfo data_reduction_proxy_info; 282 DataReductionProxyInfo data_reduction_proxy_info;
197 EXPECT_TRUE(ParseHeadersAndSetProxyInfo(parsed, &data_reduction_proxy_info)); 283 EXPECT_TRUE(ParseHeadersAndSetProxyInfo(parsed, &data_reduction_proxy_info));
198 EXPECT_LE(60, data_reduction_proxy_info.bypass_duration.InSeconds()); 284 EXPECT_LE(60, data_reduction_proxy_info.bypass_duration.InSeconds());
199 EXPECT_GE(5 * 60, data_reduction_proxy_info.bypass_duration.InSeconds()); 285 EXPECT_GE(5 * 60, data_reduction_proxy_info.bypass_duration.InSeconds());
200 EXPECT_FALSE(data_reduction_proxy_info.bypass_all); 286 EXPECT_FALSE(data_reduction_proxy_info.bypass_all);
201 } 287 }
202 288
203 TEST_F(DataReductionProxyHeadersTest, HasDataReductionProxyViaHeader) { 289 TEST_F(DataReductionProxyHeadersTest, HasDataReductionProxyViaHeader) {
204 const struct { 290 const struct {
205 const char* headers; 291 const char* headers;
206 bool expected_result; 292 bool expected_result;
293 bool expected_has_intermediary;
294 bool is_has_intermediary_null;
bengr 2014/08/04 16:32:11 is_has_intermediary_null --> ignore_intermediary
xingx1 2014/08/04 17:24:32 Done.
207 } tests[] = { 295 } tests[] = {
208 { "HTTP/1.1 200 OK\n" 296 { "HTTP/1.1 200 OK\n"
209 "Via: 1.1 Chrome-Proxy\n", 297 "Via: 1.1 Chrome-Proxy\n",
210 false, 298 false,
299 false,
300 false,
211 }, 301 },
212 { "HTTP/1.1 200 OK\n" 302 { "HTTP/1.1 200 OK\n"
213 "Via: 1\n", 303 "Via: 1\n",
214 false, 304 false,
305 false,
306 false,
215 }, 307 },
216 { "HTTP/1.1 200 OK\n" 308 { "HTTP/1.1 200 OK\n"
217 "Via: 1.1 Chrome-Compression-Proxy\n", 309 "Via: 1.1 Chrome-Compression-Proxy\n",
218 true, 310 true,
311 true,
312 false,
219 }, 313 },
220 { "HTTP/1.1 200 OK\n" 314 { "HTTP/1.1 200 OK\n"
221 "Via: 1.0 Chrome-Compression-Proxy\n", 315 "Via: 1.0 Chrome-Compression-Proxy\n",
222 true, 316 true,
317 true,
318 false,
223 }, 319 },
224 { "HTTP/1.1 200 OK\n" 320 { "HTTP/1.1 200 OK\n"
225 "Via: 1.1 Foo-Bar, 1.1 Chrome-Compression-Proxy\n", 321 "Via: 1.1 Foo-Bar, 1.1 Chrome-Compression-Proxy\n",
226 true, 322 true,
323 true,
324 false,
227 }, 325 },
228 { "HTTP/1.1 200 OK\n" 326 { "HTTP/1.1 200 OK\n"
229 "Via: 1.1 Chrome-Compression-Proxy, 1.1 Bar-Foo\n", 327 "Via: 1.1 Chrome-Compression-Proxy, 1.1 Bar-Foo\n",
230 true, 328 true,
329 false,
330 false,
231 }, 331 },
232 { "HTTP/1.1 200 OK\n" 332 { "HTTP/1.1 200 OK\n"
233 "Via: 1.1 chrome-compression-proxy\n", 333 "Via: 1.1 chrome-compression-proxy\n",
234 false, 334 false,
335 false,
336 false,
235 }, 337 },
236 { "HTTP/1.1 200 OK\n" 338 { "HTTP/1.1 200 OK\n"
237 "Via: 1.1 Foo-Bar\n" 339 "Via: 1.1 Foo-Bar\n"
238 "Via: 1.1 Chrome-Compression-Proxy\n", 340 "Via: 1.1 Chrome-Compression-Proxy\n",
239 true, 341 true,
342 true,
343 false,
344 },
345 { "HTTP/1.1 200 OK\n"
346 "Via: 1.1 Chrome-Compression-Proxy\n"
347 "Via: 1.1 Foo-Bar\n",
348 true,
349 false,
350 false,
240 }, 351 },
241 { "HTTP/1.1 200 OK\n" 352 { "HTTP/1.1 200 OK\n"
242 "Via: 1.1 Chrome-Proxy\n", 353 "Via: 1.1 Chrome-Proxy\n",
243 false, 354 false,
355 false,
356 false,
244 }, 357 },
245 { "HTTP/1.1 200 OK\n" 358 { "HTTP/1.1 200 OK\n"
246 "Via: 1.1 Chrome Compression Proxy\n", 359 "Via: 1.1 Chrome Compression Proxy\n",
247 true, 360 true,
361 true,
362 false,
248 }, 363 },
249 { "HTTP/1.1 200 OK\n" 364 { "HTTP/1.1 200 OK\n"
250 "Via: 1.1 Foo-Bar, 1.1 Chrome Compression Proxy\n", 365 "Via: 1.1 Foo-Bar, 1.1 Chrome Compression Proxy\n",
251 true, 366 true,
367 true,
368 false,
252 }, 369 },
253 { "HTTP/1.1 200 OK\n" 370 { "HTTP/1.1 200 OK\n"
254 "Via: 1.1 Chrome Compression Proxy, 1.1 Bar-Foo\n", 371 "Via: 1.1 Chrome Compression Proxy, 1.1 Bar-Foo\n",
255 true, 372 true,
373 false,
374 false,
256 }, 375 },
257 { "HTTP/1.1 200 OK\n" 376 { "HTTP/1.1 200 OK\n"
258 "Via: 1.1 chrome compression proxy\n", 377 "Via: 1.1 chrome compression proxy\n",
259 false, 378 false,
379 false,
380 false,
260 }, 381 },
261 { "HTTP/1.1 200 OK\n" 382 { "HTTP/1.1 200 OK\n"
262 "Via: 1.1 Foo-Bar\n" 383 "Via: 1.1 Foo-Bar\n"
263 "Via: 1.1 Chrome Compression Proxy\n", 384 "Via: 1.1 Chrome Compression Proxy\n",
264 true, 385 true,
386 true,
387 false,
388 },
389 { "HTTP/1.1 200 OK\n"
390 "Via: 1.1 Chrome Compression Proxy\n"
391 "Via: 1.1 Foo-Bar\n",
392 true,
393 false,
394 false,
395 },
396 { "HTTP/1.1 200 OK\n"
397 "Via: 1.1 Chrome Compression Proxy\n"
398 "Via: 1.1 Foo-Bar\n",
399 true,
400 false,
401 true,
265 }, 402 },
266 }; 403 };
267 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) { 404 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
268 std::string headers(tests[i].headers); 405 std::string headers(tests[i].headers);
269 HeadersToRaw(&headers); 406 HeadersToRaw(&headers);
270 scoped_refptr<net::HttpResponseHeaders> parsed( 407 scoped_refptr<net::HttpResponseHeaders> parsed(
271 new net::HttpResponseHeaders(headers)); 408 new net::HttpResponseHeaders(headers));
272 409
273 EXPECT_EQ(tests[i].expected_result, 410 bool has, has_intermediary;
bengr 2014/08/04 16:32:11 has -> has_chrome_proxy_via_header
xingx1 2014/08/04 17:24:32 Done.
274 HasDataReductionProxyViaHeader(parsed)); 411 if (tests[i].is_has_intermediary_null)
412 has = HasDataReductionProxyViaHeader(parsed, NULL);
413 else
414 has = HasDataReductionProxyViaHeader(parsed, &has_intermediary);
415 EXPECT_EQ(tests[i].expected_result, has);
416 if (has && !tests[i].is_has_intermediary_null) {
417 EXPECT_EQ(tests[i].expected_has_intermediary, has_intermediary);
418 }
275 } 419 }
276 } 420 }
277 421
278 TEST_F(DataReductionProxyHeadersTest, GetDataReductionProxyBypassEventType) { 422 TEST_F(DataReductionProxyHeadersTest, GetDataReductionProxyBypassEventType) {
279 const struct { 423 const struct {
280 const char* headers; 424 const char* headers;
281 net::ProxyService::DataReductionProxyBypassType expected_result; 425 net::ProxyService::DataReductionProxyBypassType expected_result;
282 } tests[] = { 426 } tests[] = {
283 { "HTTP/1.1 200 OK\n" 427 { "HTTP/1.1 200 OK\n"
284 "Chrome-Proxy: bypass=0\n" 428 "Chrome-Proxy: bypass=0\n"
(...skipping 89 matching lines...) Expand 10 before | Expand all | Expand 10 after
374 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) { 518 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
375 std::string headers(tests[i].headers); 519 std::string headers(tests[i].headers);
376 HeadersToRaw(&headers); 520 HeadersToRaw(&headers);
377 scoped_refptr<net::HttpResponseHeaders> parsed( 521 scoped_refptr<net::HttpResponseHeaders> parsed(
378 new net::HttpResponseHeaders(headers)); 522 new net::HttpResponseHeaders(headers));
379 DataReductionProxyInfo chrome_proxy_info; 523 DataReductionProxyInfo chrome_proxy_info;
380 EXPECT_EQ(tests[i].expected_result, 524 EXPECT_EQ(tests[i].expected_result,
381 GetDataReductionProxyBypassType(parsed, &chrome_proxy_info)); 525 GetDataReductionProxyBypassType(parsed, &chrome_proxy_info));
382 } 526 }
383 } 527 }
528
529 TEST_F(DataReductionProxyHeadersTest,
530 GetDataReductionProxyActionFingerprintChromeProxy) {
531 const struct {
532 std::string label;
533 const char* headers;
534 bool expected_fingerprint_exist;
535 std::string expected_fingerprint;
536 } tests[] = {
537 { "fingerprint doesn't exist",
538 "HTTP/1.1 200 OK\n"
539 "Chrome-Proxy: bypass=0\n",
540 false,
541 "",
542 },
543 { "fingerprint occurs once",
544 "HTTP/1.1 200 OK\n"
545 "Chrome-Proxy: bypass=1, fcp=fp\n",
546 true,
547 "fp",
548 },
549 { "fingerprint occurs twice",
550 "HTTP/1.1 200 OK\n"
551 "Chrome-Proxy: bypass=2, fcp=fp1, fcp=fp2\n",
552 true,
553 "fp1",
554 },
555 };
556 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
557 std::string headers(tests[i].headers);
558 HeadersToRaw(&headers);
559 scoped_refptr<net::HttpResponseHeaders> parsed(
560 new net::HttpResponseHeaders(headers));
561
562 std::string fingerprint;
563 bool fingerprint_exist = GetDataReductionProxyActionFingerprintChromeProxy(
564 parsed, &fingerprint);
565 EXPECT_EQ(tests[i].expected_fingerprint_exist, fingerprint_exist)
566 << tests[i].label;
567
568 if (fingerprint_exist)
569 EXPECT_EQ(tests[i].expected_fingerprint, fingerprint) << tests[i].label;
570 }
571 }
572
573 TEST_F(DataReductionProxyHeadersTest,
574 GetDataReductionProxyActionFingerprintVia) {
575 const struct {
576 std::string label;
577 const char* headers;
578 bool expected_fingerprint_exist;
579 std::string expected_fingerprint;
580 } tests[] = {
581 { "fingerprint doesn't exist",
582 "HTTP/1.1 200 OK\n"
583 "Chrome-Proxy: bypass=0\n",
584 false,
585 "",
586 },
587 { "fingerprint occurs once",
588 "HTTP/1.1 200 OK\n"
589 "Chrome-Proxy: bypass=1, fvia=fvia\n",
590 true,
591 "fvia",
592 },
593 { "fingerprint occurs twice",
594 "HTTP/1.1 200 OK\n"
595 "Chrome-Proxy: bypass=2, fvia=fvia1, fvia=fvia2\n",
596 true,
597 "fvia1",
598 },
599 };
600 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
601 std::string headers(tests[i].headers);
602 HeadersToRaw(&headers);
603 scoped_refptr<net::HttpResponseHeaders> parsed(
604 new net::HttpResponseHeaders(headers));
605
606 std::string fingerprint;
607 bool fingerprint_exist =
608 GetDataReductionProxyActionFingerprintVia(parsed, &fingerprint);
609 EXPECT_EQ(tests[i].expected_fingerprint_exist, fingerprint_exist)
610 << tests[i].label;
611
612 if (fingerprint_exist)
613 EXPECT_EQ(tests[i].expected_fingerprint, fingerprint) << tests[i].label;
614 }
615 }
616
617 TEST_F(DataReductionProxyHeadersTest,
618 GetDataReductionProxyActionFingerprintOtherHeaders) {
619 const struct {
620 std::string label;
621 const char* headers;
622 bool expected_fingerprint_exist;
623 std::string expected_fingerprint;
624 } tests[] = {
625 { "fingerprint doesn't exist",
626 "HTTP/1.1 200 OK\n"
627 "Chrome-Proxy: bypass=0\n",
628 false,
629 "",
630 },
631 { "fingerprint occurs once",
632 "HTTP/1.1 200 OK\n"
633 "Chrome-Proxy: bypass=1, foh=foh\n",
634 true,
635 "foh",
636 },
637 { "fingerprint occurs twice",
638 "HTTP/1.1 200 OK\n"
639 "Chrome-Proxy: bypass=2, foh=foh1, foh=foh2\n",
640 true,
641 "foh1",
642 },
643 };
644 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
645 std::string headers(tests[i].headers);
646 HeadersToRaw(&headers);
647 scoped_refptr<net::HttpResponseHeaders> parsed(
648 new net::HttpResponseHeaders(headers));
649
650 std::string fingerprint;
651 bool fingerprint_exist =
652 GetDataReductionProxyActionFingerprintOtherHeaders(
653 parsed, &fingerprint);
654 EXPECT_EQ(tests[i].expected_fingerprint_exist, fingerprint_exist)
655 << tests[i].label;
656
657 if (fingerprint_exist)
658 EXPECT_EQ(tests[i].expected_fingerprint, fingerprint) << tests[i].label;
659 }
660 }
661
662 TEST_F(DataReductionProxyHeadersTest,
663 GetDataReductionProxyActionFingerprintContentLength) {
664 const struct {
665 std::string label;
666 const char* headers;
667 bool expected_fingerprint_exist;
668 std::string expected_fingerprint;
669 } tests[] = {
670 { "fingerprint doesn't exist",
671 "HTTP/1.1 200 OK\n"
672 "Chrome-Proxy: bypass=0\n",
673 false,
674 "",
675 },
676 { "fingerprint occurs once",
677 "HTTP/1.1 200 OK\n"
678 "Chrome-Proxy: bypass=1, fcl=fcl\n",
679 true,
680 "fcl",
681 },
682 { "fingerprint occurs twice",
683 "HTTP/1.1 200 OK\n"
684 "Chrome-Proxy: bypass=2, fcl=fcl1, fcl=fcl2\n",
685 true,
686 "fcl1",
687 },
688 };
689 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
690 std::string headers(tests[i].headers);
691 HeadersToRaw(&headers);
692 scoped_refptr<net::HttpResponseHeaders> parsed(
693 new net::HttpResponseHeaders(headers));
694
695 std::string fingerprint;
696 bool fingerprint_exist =
697 GetDataReductionProxyActionFingerprintContentLength(
698 parsed, &fingerprint);
699 EXPECT_EQ(tests[i].expected_fingerprint_exist, fingerprint_exist)
700 << tests[i].label;
701
702 if (fingerprint_exist)
703 EXPECT_EQ(tests[i].expected_fingerprint, fingerprint) << tests[i].label;
704 }
705 }
706
707 TEST_F(DataReductionProxyHeadersTest,
708 GetDataReductionProxyHeaderWithFingerprintRemoved) {
709 struct {
710 std::string label;
711 const char* headers;
712 std::string expected_output_values_string;
713 } test[] = {
714 {
715 "Checks the case that there is no Chrome-Proxy header's fingerprint.",
716 "HTTP/1.1 200 OK\n"
717 "Chrome-Proxy: 1,2,3,5\n",
718 "1,2,3,5,",
719 },
720 {
721 "Checks the case that there is Chrome-Proxy header's fingerprint.",
722 "HTTP/1.1 200 OK\n"
723 "Chrome-Proxy: 1,2,3,fcp=4,5\n",
724 "1,2,3,5,",
725 },
726 {
727 "Checks the case that there is Chrome-Proxy header's fingerprint, and it"
728 "occurs at the end.",
729 "HTTP/1.1 200 OK\n"
730 "Chrome-Proxy: 1,2,3,fcp=4,",
731 "1,2,3,",
732 },
733 {
734 "Checks the case that there is Chrome-Proxy header's fingerprint, and it"
735 "occurs at the beginning.",
736 "HTTP/1.1 200 OK\n"
737 "Chrome-Proxy: fcp=1,2,3,",
738 "2,3,",
739 },
740 };
741
742 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test); ++i) {
743 std::string headers(test[i].headers);
744 HeadersToRaw(&headers);
745 scoped_refptr<net::HttpResponseHeaders> parsed(
746 new net::HttpResponseHeaders(headers));
747
748 std::vector<std::string> output_values;
749 GetDataReductionProxyHeaderWithFingerprintRemoved(parsed, &output_values);
750
751 std::string output_values_string;
752 for (size_t j = 0; j < output_values.size(); ++j)
753 output_values_string += output_values[j] + ",";
754
755 EXPECT_EQ(test[i].expected_output_values_string, output_values_string)
756 << test[i].label;
757 }
758 }
759
384 } // namespace data_reduction_proxy 760 } // namespace data_reduction_proxy
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